Integrated tee joint with one-way valve

The utility model discloses an integrated tee joint with a one-way valve, and belongs to the technical field of three-way valves. The integrated tee joint with the one-way valve comprises a first end, a second end and a third end, the first end is a first air outlet end, one of the second end and the third end is an air inlet end, the other end is a second air outlet end, an air port is formed in the first end, the one-way valve is arranged at the first end, the one-way valve is located in the tee joint, and the third end is located in the tee joint. The one-way valve is used for controlling connection and disconnection of the first end and a main pipe of the gas pipeline. The one-way valve is normally closed, the one-way valve is opened only when the valve is connected with the tee joint, the one-way valve is closed when the valve is disassembled, and absolute safety guarantee is provided for valve replacement. 本实用新型公开了一种一体式带单向阀三通，属于三通阀技术领域。该一体式带单向阀三通包括第一端、第二端和第三端，所述第一端为第一出气端，所述第二端和第三端其中一个为进气端则另一个为第二出气端，所述第一